70 citations
,
February 2007 in “Journal of Investigative Dermatology” K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.
6 citations
,
January 2018 in “Advances in experimental medicine and biology” 
January 2023 in “International journal of biological sciences” COX2 and ATP synthase control the size of hedgehog spines.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.
CCC1 is crucial for pH balance in plant cells, affecting growth and stress tolerance.
Nail stem cells help nail and finger regeneration through BMP signaling.
29 citations
,
April 2011 in “Journal of Microscopy” The modified osmium method improves hair cortex staining for better visualization.
2 citations
,
January 2018 in “Biomolecules & therapeutics” Polyamidoamine dendrimers can change the strength and direction of electroosmotic flow through the skin, affecting drug delivery.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
34 citations
,
January 2004 in “Genomics” A cluster of 21 keratin-associated protein genes important for hair growth was found on human chromosome 21.
April 2018 in “Journal of Investigative Dermatology” STIM1 is essential for sweat secretion.
5 citations
,
September 2021 in “Journal of Molecular Histology” LHX2, with other markers, can identify hair placodes in rats.
23 citations
,
February 1993 in “Journal of Investigative Dermatology” 43 citations
,
May 1999 in “Journal of Biological Chemistry” Agouti protein affects melanocortin receptors through competitive antagonism and receptor down-regulation.
January 2016 in “Institutional Repositories DataBase (IRDB)” Sebaceous glands help study fatty acid transporters and binding proteins.
187 citations
,
May 1988 in “Differentiation” Trichocytic cytokeratins are found in hair, nails, tongue, and thymus cells, showing complex regulation in tissue development.
54 citations
,
January 1984 in “Molecular and Cellular Biochemistry” 3 citations
,
January 2022 in “Journal of neuroendocrinology” Sex hormones affect brain cells differently in males and females.
Muscarinic acetylcholine receptors help regulate and promote hair growth.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
22 citations
,
September 2001 in “Journal of Investigative Dermatology” S100A8 and S100A9 proteins help form hair shafts during growth.
37 citations
,
December 1995 in “Journal of Cell Science” Nexin 1 may help control hair growth.
9 citations
,
October 1994 in “Brain Research” Fetal sheep develop skin nerve pathways and responses to touch and heat between 75 and 134 days of gestation.
82 citations
,
January 2011 in “New Phytologist” VILLIN4 helps root hair growth by organizing actin with calcium.
73 citations
,
January 2002 in “Journal of Investigative Dermatology” Epidermal stem cells don't use gap junctions to communicate.
27 citations
,
November 2007 in “Genomics” Mutations in specific keratin genes cause improper hair structure in mice due to faulty keratin protein assembly.
5 citations
,
January 1983 in “PubMed” Human skin releases different steroids, with some coming from sebaceous glands and others from sweat glands.
March 2026 in “Journal of Bioscience and Bioengineering” Oxytocin from hair cells helps hair growth and stem cell increase.
50 citations
,
March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
January 2024 in “OPAL (Open@LaTrobe) (La Trobe University)” TRPV3 channels are involved in skin processes and are affected by shear stress, influencing itch and mechanotransduction.